Electrochemical and spectroelectrochemical studies of complexes of 1,10-phenanthroline-5,6-dione

Murphy, Damien Martin ORCID: https://orcid.org/0000-0002-5941-4879, McNamara, Kenneth, Richardson, Patricia, Sanchez-Romaguera, Veronica, Winpenny, Richard E.P. and Yellowlees, Lesley J. 2011. Electrochemical and spectroelectrochemical studies of complexes of 1,10-phenanthroline-5,6-dione. Inorganica Chimica Acta 374 (1) , pp. 435-441. 10.1016/j.ica.2011.02.050

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Abstract

Electrochemical and spectroelectrochemical (UV–Vis, IR, EPR) of pd (pd = 1,10-phenanthroline-5,6-dione), Pt(N,N′-pd)Cl2, Pd(N,N′-pd)Cl2, [Ru(bpy)2(N,N′-pd)]Cl2 (bpy = 2,2′-bipyridine) and Pt(O,O′-pd)(PPh3)2, where N,N′ and O,O′ refers to coordination of pd to the metal centre via N and O atoms, respectively, reveals that the electron transfer processes between +0.5 and −1.25 V all occur at the pd ligand in agreement with DFT calculations. The two CO groups carry a significant amount of the negative charge in mono-reduced pd1−. The mode of coordination of pd has a greater influence on its redox chemistry than the metal centre or the ancillary ligands.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry
Subjects:	Q Science > QD Chemistry
Uncontrolled Keywords:	1,10-Phenanthroline; Electrochemistry; EPR spectroelectrochemistry; DFT calculations
Publisher:	Elsevier
ISSN:	0020-1693
Funders:	EPSRC
Last Modified:	18 Oct 2022 13:12
URI:	https://orca.cardiff.ac.uk/id/eprint/12962

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